Thermostable Newcastle Disease Vaccine, Live, LaSota strain (Lentogenic),Is recommended for vaccination of chickens against Newcastle Disease.It is a live, Chicken Embryo origin Thermostable vaccine recommended for vaccination of Poultry against Newcastle disease. It has been lyophilized in vials and sealed under vacuum in a manner that renders it to be more stable in comparison to regular vaccine. It is supplied with or without diluents.